Support for steam-turbine wheels.



Patented July 22, I902.

J. 'A. BOMGREN SUPPORT FOB STEAM TURBINE WHEELS.

(ll o IlodoL) WITNESSES:

UNITED STATES PATENT OFFICE.

JOI-IAN AXEL BOMGREN, OF STOCKHOLM, SWVEDEN.

SUPPORT FOR STEAM-TURBINE WHEELS.

SPECIFICATION forming part of Letters Patent No. 705,025, dated July 22, 1902. Application filed April 8, 1902. Serial No 101,870. (No model.)

To aZZ whom it may concern:

Be it known that I, JoHAN AXEL BOMGREN, of J erla, Stockholm, Sweden, have invented a new and useful Improvement in Supports for Steam-Turbine Wheels, of which the following is a specification.

The accompanying drawing is a longitudinal section of my improved Wheel-support.

The wheel A is provided with a hub D, provided with sockets to receive the enlarged end portions F G of the supporting-shaft C. The said end portions are provided with guide projections K and with two or more lugs L, all of which enter correspondingly-formed recesses in the bottom of said sockets. The outer portions of the hub-sockets are threaded to receive the flanged screwplugs M, by which means the shaft ends F G are retained in the sockets; This construction affords a very firm and strong support for the wheel, which may be removed from its shaft by taking out the screw-plugs M.

I claim 1. The combination of a wheel having on opposite sides central internally-threaded sockets, supporting shafts therefor having enlarged ends in said sockets, and screw-plugs surrounding said shafts and received in said sockets I p 2. The combination of a wheel having on opposite sides central internally-threaded sockets, the said sockets in their bottoms having recesses, supporting shafts for said wheel having enlarged ends to enter said sockets and projections on said ends to enter said recesses, and screwplugs surrounding said shafts and received in said sockets.

3. The combination of a wheel having on op posite sides internally threaded sockets, the said sockets in their bottoms having recesses, supporting-shafts O for said wheel having enlarged ends F, G to enter said sockets and a central projection K and projections L to enter said recesses, and screw-plugs M surrounding said shafts and received in said sockets.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

J OHAN AXEL BOMGREN Witnesses:

H. RIDDERSTOLPE, WALDEMAR BOMANt 

